Home| FAQ	Search:Advanced|Person|Company| Type|Class	Login

Quick search:	Patent number:	Patent Date:

US Patent: 137,970
Improvement in cement-lined pipes
Patentee: Melvin Stephens (exact or similar names) - Brooklyn, NY USPTO Classifications: 138/175, 285/290.3 Tool Categories: water distribution systems : pipes Assignees: None Manufacturer: Not known to have been produced Witnesses: Charles H. Smith George T. Pinckney	Patent Dates: Applied: Oct. 29, 1872 Granted: Apr. 15, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Stephens Patent Vise Co.

Copyright © 2002-2024 - DATAMP